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Checking fuel pressure > < Vacuum pump: Removing and installing

Leon Mk2

Checking fuel pump
Checking fuel pump
→ Chapter „Checking fuel pressure“
→ Chapter „Checking residual pressure“
Special tools and workshop equipment required
t  Pressure tester -VAS 6550-
t  Hose -VAS 6550/1-
t  Hose -VAS 6550/2-
t  Hose -VAS 6550/3-3-
t  Hose -VAS 6550/3-4-
t  Vehicle diagnosis tester
t  Fuel drainage container
t  Current flow diagram
Test prerequisites
l  In the fault memory of the engine control unit there are no faults relating to the voltage supply of the fuel pump.
l  Fuel pump control unit -J538- in good condition
l  Connect battery charger → Electrical system; Rep. gr.27.
l  Fuses for the fuel pump in a good condition; fuse allocation → Current flow diagrams, Electrical fault finding and Fitting locations
l  Amount of fuel in tank must be at least greater than reserve.
l  Ignition off
   

Checking fuel pressure > < Vacuum pump: Removing and installing